Annual report pursuant to Section 13 and 15(d)

Description of Business - Additional Information (Details)

v3.21.2
Description of Business - Additional Information (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Mar. 19, 2021
USD ($)
shares
Apr. 30, 2021
Jun. 30, 2021
USD ($)
reportable_segments
Coin
Jun. 30, 2020
USD ($)
Jun. 30, 2019
Apr. 01, 2021
Mar. 31, 2021
Description Of Business [Line Items]              
Number of reportable segments | reportable_segments     3        
Number of coins and bar products | Coin     1,000        
Recognition of a pretax gain as result of re measurement     $ 26,306        
Revenues     7,613,015 $ 5,461,094      
Pre-tax income     192,801 $ 37,878      
JMB              
Description Of Business [Line Items]              
Business acquisition, percentage of interests acquired 79.50%            
Acquisition date Mar. 19, 2021            
Business combination, purchase price in acquisition of remaining percentage of ownership $ 141,100            
Business combination, cash consideration $ 99,500            
Common stock issued shares, acquisitions | shares 1,047,007            
Common stock issued value, acquisitions $ 41,600            
Transaction Costs $ 2,600            
Business acquisition estimated fair value pre-existing investment ownership interest percentage 20.50%            
Business acquisition pre-existing equity method investment $ 33,900            
Recognition of a pretax gain as result of re measurement 26,300            
Business combination, total purchase consideration 207,400            
Settlement of pre-existing net payables 32,400            
Goodwill expected to be deductible for tax purposes $ 3,900            
Number of days restriction on sale of transfer of shares after close of acquisition 270 days            
Revenues     673,300        
Pre-tax income     $ 30,800        
JMB | Mr. Michael Wittmeyer              
Description Of Business [Line Items]              
Deferred compensation arrangement with individual, requisite service Jun. 30, 2024            
A Mark Precious Metals, Inc | AM&ST Associates, LLC              
Description Of Business [Line Items]              
Business acquisition, percentage of interests acquired           31.00%  
A Mark Precious Metals, Inc | JMB              
Description Of Business [Line Items]              
Percentage of ownership owned by parent             100.00%
A Mark Precious Metals, Inc | AM&ST Associates, LLC              
Description Of Business [Line Items]              
Percentage of ownership owned by parent           100.00% 69.00%
Precious Metals Purchasing Partners, LLC              
Description Of Business [Line Items]              
Percentage of ownership percentage     50.00% 50.00% 50.00%    
Collectible Card Partners, LLC              
Description Of Business [Line Items]              
Percentage of ownership percentage   50.00%          
SilverTowne L.P. | A Mark Precious Metals, Inc | AM&ST Associates, LLC              
Description Of Business [Line Items]              
Percentage of ownership owned by parent           100.00%  
Percentage of ownership owned by noncontrolling Owners             31.00%